Home / 28,785.54-43,098.60-14,715.30

Finding the Fourth Proportional to 28,785.54, 43,098.60 and 14,715.30

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Solution

The fourth proportional to 28,785.54, 43,098.60 and 14,715.30 is: 22,032.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,785.54 : 43,098.60 = 14,715.30 : x
  2. Step 2: Convert to fraction form
    28,785.54/43,098.60 = 14,715.30/x
  3. Step 3: Cross multiply
    28,785.54x = 43,098.60 × 14,715.30
  4. Step 4: Simplify right side
    28,785.54x = 634,208,828.58
  5. Step 5: Solve for x
    x = 634,208,828.58/28,785.54
  6. Step 6: Final answer
    x = 22,032.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.